Inventor
ISHIKAWA MITSUYUKI
JP6 patents
Patents
6 patentsUS6132354AOct 17, 2000
Automatic ball balancer for rotating machine
HITACHI KOKI KK57 citations95
US5601149AFeb 11, 1997
Noise reduction mechanism for percussion tools
HITACHI KOKI KK88 citations94
US6089835AJul 18, 2000
Portable compressor
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US5829306ANov 3, 1998
Gear shock absorbing mechanism
HITACHI KOKI KK25 citations91
US6863135B2Mar 8, 2005
Electric power tool
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US6619410B2Sep 16, 2003
Electric power tool
HITACHI KOKI KK4 citations60